Tools & Home Improvement

Best Angle Grinders In 2021

The best angle grinders are designed to offer functionality, convenience and long life performance on the job. Whether you are a habitual hobbyist or a perpetual handyman, these angle grinders will offer you the means to do your job with ease and precision. In order to help you make the choice we have rated and ranked all the ten featured grinders in ascending order of performance. While we have used a very objective process in assessing the qualities and performance of each of the angle grinders in this review, our ranking is not cast in stone. That is why we have also offered a summary of the specifications of each tool in order to help you choose the one which suits your needs the best.


10. Ryobi P421 18 Volt One+TM 4-1/2″ Angle Grinder

According to test results and objective trials, this is one of the most effective power grinders when it comes to precision and customization options. Indeed, with speeds of up to 6,500 revolutions per minute you are well set to perform intricate jobs with speed and accuracy when you opt for this grinder. It is powered by a replaceable as well as rechargeable lithium ion battery; giving you freedom to work even where there are is no ready power supply. It also features one of the most intuitive and responsive trigger switches of the handheld grinders we tested. Moreover, it boasts a conveniently located and functional onboard spanner wrench right at the side handle offers you further convenience.

  • Power setting: Lithium ion rechargeable battery
  • Electric motor power rating: 6,500 revolutions per minute
  • Voltage: 18 volts
  • Weight: 5.3 pounds
  • Color: green


9. DEWALT D28499X 7-Inch/9-Inch 5.3-Horsepower Large Angle Grinder

This is yet another high powered DEWALT angle grinder especially suited for commercial applications. Rated at a robust 5.3 horsepower, it is tough enough to take on the most complicated and toughest grinding tasks with incredible ease. To ensure the equipment is protected adequately against the ceaseless flying debris, it boats epoxy covering the field and armature. There is also a guard mechanism which is fully adjustable without need for a key to make it work. This not only increases productivity but makes it easier to customize the too to the user particular needs and working preferences. Even more comfortable ergonomics are guaranteed owing to the presence of a rotating rear handle.

  • Electric motor power rating: 5.3 horsepower
  • Grinder speed rating: 6,000 revolutions per minute
  • Power setting: electric, corded
  • Voltage: 120 volts
  • Warranty: 1 year limited, 1 year service contract, 30-day no risk trial


8. Makita 9564CV 4-1/2-Inch Angle Grinder

While this is one of the most robust power grinders we have ever tested, we were also pleasantly surprised by how intuitively easy it was to get it working. This is particularly the case when you get to work with the start assembly, greatly aided by the grinder’s Makita Soft Start system. Moreover, this is one of the select few power tools to enjoy Makita’s patented Super Joint System (SJS) technology which has been proved to work effectively in stopping gear damage precipitated by accidental wheel binding. With a 12.0 ampere rated motor with variable speeds (can be set to rotate from 2,800 to 10,500 revolutions per minute) you have a tool that is as versatile as it is robust in work.

  • Electric motor power rating: 12.0 amps
  • Grinder speed rating: variable (2,800 to 10,500 revolutions per minute)
  • Grinding wheel diameter: 4.5 inches
  • Power setting: electric, corded
  • Voltage: 24 volts


7. Makita GA4530 4-1/2-Inch Angle Grinder

Last update on 2021-10-17 / Affiliate links / Images from Amazon Product Advertising API

This Makita 4.5 inch angle grinder boasts a robust electric motor rated at 6 amperes and capable of running at 11,000 revolutions per minute. To assure you of maximum comfort while working with this grinder, the handle boats a small circumference barrel grip. A labyrinthine construction is also very effective at keeping debris as well as dust from the motor and the bearings assembly. It was also very gratifying to note that the design is especially geared towards easy servicing. This is mainly owing to the presence of externally accessible brushes. What is more, a zigzag varnish seals the armature from grinding dust and debris to ensure the tool performs more efficiently for a longer lifetime.

  • Electric motor power rating: 6.0 Amps
  • Grinder speed rating: 11,000 revolutions per minute
  • Power setting: electric, corded
  • Wheel diameter: 4.5 inches
  • Voltage: 24
  • Warranty: 1 year, limited


6. Kawasaki 841428 4-1/2-Inch VS Angle 7.5-Amp Grinder

You can now own a genuine power tool bearing that most renowned of high performance equipment: Kawasaki. Designed to offer the user as much convenience and versatility as they need for particular jobs, this is a very customizable grinder. It features a variable speed electric motor which can be cranked up or down to revolve at speeds of between 3,000 to a remarkable 11,000 revolutions per minute. With a specified wheel diameter of 4 and a half inches, you will find the tool more than capable to perform a variety of abrasive tasks with ease and convenience. Indeed, the design is so spot-on that the user has the option of resulting to three handle positions in order to customize the tool to the demands of the task at hand.

  • Power rating: 7.5 AmpsGrinder speed rating: Variable (3,000 to 11, 000 revolutions per minute)
  • Wheel diameter: 4.5 inches
  • Power setting: electric, corded
  • Weight: 5.7 pounds
  • Color: green


5. DEWALT D28115 Heavy-Duty 4-1/2-Inch/5-Inch High Performance Grinder

DEWALT D28115 Heavy-Duty 4-1/2-Inch/5-Inch High Performance Grinder...
  • 13.0 Amp/2.3hp, 9,000 rpm DEWALT built G55 (AC/DC) motor designed for faster material removal and...
  • Dust ejection system provides durability by ejecting damaging dust and debris particles that enter...
  • Quick-change wheel release allows tool free wheel removal
  • Dual abrasion protection provides increased motor protection from damaging dust and debris ingestion

Last update on 2021-10-17 / Affiliate links / Images from Amazon Product Advertising API

Powerful, robust and intuitive to work with, this Dewalt angle grinder will trump any power tool you have used to the present. It is one of the select few power tools to enjoy the well thought out and, indeed, patented DEWALT Dust Ejection System to ensure that work does not have to stop or your efficiency unnecessarily compromised because some dust and debris have been caught up in the inner mechanism of your grinder. The 13 ampere (2.3 horsepower) electric motor revolves at a speed of about 9,000 revolutions per minute; guaranteeing that you get through your planed tasks with as little energy expended and least time as possible expended. The grinder weighs a wieldy 7.4 pounds, compact enough for your average toolbox as you head out on a job. To assure you of the best performance as well as the best value for your money, this grinder is backed by a 3 year manufacturer guarantee and a 90 day money back guarantee as well as a 1 year free service contract.

  • Power rating: 13.0 amperes (2.3 horsepower)Grinder speed rating: 9,000 revolutions per minute
  • Power setting: electric, corded
  • Voltage: 120 volts
  • Weight: 7.4 pounds
  • Manufacturer warranty: 3 year limited warranty, 90 day money back guarantee and 1 year free service contract


4. DEWALT DWE402 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder

DEWALT Angle Grinder Tool, Paddle Switch, 4-1/2-Inch, 11-Amp (DWE402)
  • Next Generation 11 Amp AC/DC 11,000 RPM motor of angle grinder provides the best power to...
  • Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter...
  • Oversized brushes of this DEWALT angle grinder provide 2 times brush life over previous model...
  • Large spiral bevel gear provides long transmission life

Last update on 2021-10-17 / Affiliate links / Images from Amazon Product Advertising API

This is a power grinder designed to add convenience and versatility to your working regimen whether you are an ardent hobbyist or a professional contractor. With its electric motor rated at 11 amperes, the angle grinder will help you take on the most challenging tasks with relentless ease. Moreover, as you can either use direct electric motor or an alternative external DC battery, the work will not have to stop just because there is no power from your utility provider. Well aware that some of the most functional tools are destroyed or performance impended owing to dust and debris getting stuck within the internal mechanisms, this power tool enjoys the latest in Dewalt’s Dust Ejection System which eliminates dust, debris and grime as soon as they get in the way. It is also a grinder you will love adjusting and working with owing to special features such as Quick-Change (TM) wheel release mechanism helping you set the grinder up with no need for tools.

  • Power setting: 11 Amp AC/DC
  • Grinder speed rating; 11,000 revolutions per minute
  • Power rating: 1.8 horsepower
  • Voltage: 120 volts
  • manufacturer’s warranty: 3 year, limited


3. Dewalt DCG412B 20V MAX* Lithium Ion 4-1/2″ grinder

There is perhaps no other brand that has claim of purebred pedigree as much as Dewalt when it comes to functional power tools. In this 7,000 RPM rated power grinder the company has yet again proved their versatility and penchant for creating suitable tools for use in the home and commercial jobsites. This particular grinder is powered by a 20 volt removable and rechargeable lithium ion battery. It is as convenient as it is intuitive to work with. The grinder enjoys a 2-finger trigger switch with a lock off button. Moreover, in order to offer you greater and more effective control as well as comfort in use, the angle grinder is fitted with a 2-position side handle. This may be one of the most lightweight power tools you ever used but do not take this to mean that it is anything of a slouch when it comes to performance.

  • Grinder power rating: 7,000 revolutions per minute
  • Power settings: electrical with rechargeable lithium ion battery
  • Voltage: 20 volts
  • Warranty: 3 year, limited
  • Country of origin: Mexico


2. PORTER-CABLE PC60TAG 6.0-Amp 4-1/2-Inch Angle Grinder

Running at an amazing 11,000 revolutions per minute, this angle grinder’s electric motor is one of the most versatile of the tools we tested for purposes of this shopping guide. It is fitted with a 6 ampere electric motor, enough to cover all the grinding tasks at your jobsite with ease. Moreover, with its spindle lock feature, you can use it with single wrench bits. Indeed, we were also pleased by the versatility and customization options available with this grinder. For instance, you can easily change wrench bits without any need to use a tool. This functionality is possible because of the grinder’s spindle lock feature. In a bid to cement the grinder’s claim to durability and convenience, the manufacturer has also included a cast metal gear case in the shipping package at no extra charge.

  • Grinder speed rating: 11,000 rotations per minute
  • Motor power rating: 6 amps
  • Voltage: 120
  • Weight: 5 pounds
  • Warranty: 3 years, limited


1. Makita 9557PBX1 4-1/2-Inch Angle Grinder with Aluminum Case

With a power rating of 7.5 amperes, this is an angle grinder which will help you in shaping, sanding and even smoothing surfaces. Fitted with an intuitive barrel grip, you will be able to accomplish more without falling down to fatigue if you opt for this power grinder. As it can be powered directly from the mains as well as using an external DC battery, it offers you even more options for working in out-of-the way places. To help you concentrate on your work as well as ease power usage you can toggle the lock-on feature to on or off as the situation demands. For an angle grinder of such versatility and functional expedience, it is gratifying to note that it weighs a wieldy 4.5 pounds.

  • Motor power rating: 7.5 Amp
  • Barrel grip: 2.5 inches
  • Power type: variable AC/DC
  • Grinding wheels: 4.5 inch
  • Voltage: 120 volts

The top 10 best angle grinders in 2016 have been reviewed, rated and ranked in order of performance. As you can see from above, there is no shortage of choice for someone looking for a handy grinder for use in the jobsite or at the home workshop. Before ordering yours, take into considerations the salient features of each offer. The most important considerations are the power rating of each grinder, the motors RPM speed and the power type (battery or corded). As all these features have been specified in concise detail, the process of picking the one best suited for your needs should be quite easy.

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